Breadcrumb Home > Thesaurus > P Synonyms of prerequisite Find synonyms for: Noun1. prerequisite, requirement, duty, responsibility, obligationusage: something that is required in advance; "Latin was a prerequisite for admission"Adjective1. prerequisite, obligatory (vs. optional)usage: required as a prior condition or course of studyWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of prerequisite (Dictionary) ✖ Related Content Daily Word Quiz: legerdemain Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language